Title Genres Topics Date (Start) Date (End)
Field notes contributed by Paul Martsching for Story County, summer 1984 Field notes Bird watching Birds--Nests Birds--Infancy 1984-06-01 1984-07-31
Field notes contributed by Peter C. Petersen, fall 1991 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Birds--Infancy 1991-08-01 1991-11-30
Field notes contributed by Peter C. Petersen, spring 1980 Field notes Forms (documents) Bird banding Bird watching Birds--Counting Birds--Nests Tyrannidae | Flycatchers Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Troglodytidae | Wrens Birds--Feeding and feeds 1980-03-01 1980-05-31
Field notes contributed by Peter C. Petersen, summer 1987 Field notes Reports Bird watching Birds--Counting Birds--Nests Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Emberizidae | Sparrows 1987-06-01 1987-07-31
Field notes contributed by Peter Ernzen, summer 1996 Field notes Bird watching Birds--Nests Birdsongs Birds--Infancy 1996-06-01 1996-07-31
Field notes contributed by Rachel Dault and Robert J. Fletcher, summer 2000 Field notes Bird watching Birds--Nests 2000-06-01 2000-07-31
Field notes contributed by Ramona R. Sommerlot, fall 1986 Field notes Bird watching Birds--Nests Birds--Infancy 1986-08-01 1986-11-30
Field notes contributed by Randall Pinkston, spring 1992 Field notes Bird watching Birds--Nests Birdsongs 1992-03-01 1992-05-31
Field notes contributed by Randall Pinkston, summer 1993 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Infancy 1993-06-01 1993-07-31
Field notes contributed by Raymond L. Cummins, summer 1980 Field notes Forms (documents) Bird watching Birds--Counting Birds--Nests Tyrannidae | Flycatchers 1980-06-01 1980-07-31
Field notes contributed by Raymond L. Cummins, summer 1992 Field notes Forms (documents) Bird watching Birds--Counting Birds--Nests 1992-06-01 1992-07-31
Field notes contributed by Raymond L. Cummins, summer 1993 Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests 1993-06-01 1993-07-31
Field notes contributed by René Laubach, fall 1981 Field notes Bird banding Bird watching Birds--Nests Parulidae | Warblers 1981-08-01 1981-11-30
Field notes contributed by Richard Jule Hollis, spring 1982 Field notes Forms (documents) Bird watching Birds--Identification Birds--Nests 1982-03-01 1982-05-31
Field notes contributed by Richard Jule Hollis, spring 1987 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Research Nest building 1987-03-01 1987-05-31
Field notes contributed by Richard Jule Hollis, spring 1988 Field notes Bird feeders Bird watching Birds--Counting Birds--Identification Birds--Nests 1988-03-01 1988-05-31
Field notes contributed by Richard Jule Hollis, winter 1983-1984 Correspondence Field notes Bird watching Birds--Nests 1983-12-01 1984-02-28
Field notes contributed by Rob Thelen, spring 1996 Field notes Reports Bird watching Birds--Counting Birds--Identification Birds--Nests Anseriformes | Ducks, Geese, and Swans Emberizidae | Sparrows 1996-03-01 1996-05-31
Field notes contributed by Robert K. Myers, fall 1986 Field notes Forms (documents) Bird feeders Bird watching Birds--Identification Birds--Nests 1986-08-01 1986-11-30
Field notes contributed by Robert K. Myers, summer 1984 Field notes Bird watching Birds--Nests Birdsongs Charadriiformes | Shore-birds, Gulls, and Auks 1984-06-01 1984-07-31
Field notes contributed by Robert K. Myers, summer 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs Parulidae | Warblers Birds--Infancy 1986-06-01 1986-07-31
Field notes contributed by Robert K. Myers, summer 1989 Field notes Forms (documents) Bird watching Birds--Behavior Birds--Counting Birds--Nests 1989-06-01 1989-07-31
Field notes contributed by Russell P. Baldner, spring 1982 Field notes Forms (documents) Bird watching Birds--Nests 1982-03-01 1982-05-31
Field notes contributed by several observers, summer 1988 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests 1988-06-01 1988-07-31
Field notes contributed by Sharon Laub, spring 1992 Field notes Forms (documents) Bird watching Birds--Eggs Birds--Nests Emberizidae | Sparrows 1992-03-01 1992-05-31